Assignee
QIAN XIANGYUN
CN·1 granted patent·1 pending application·1 citations·filing 2007–2022
Technology mixH04L1
Top patents by PatentIndex Score
2 records- 0138USD1024890SSet of matsQIAN XIANGYUN·Filed 2022·Granted Apr 30, 2024·1 cites·1 claims
- 0233US2011216759A1METHOD FOR PUBLISHING, QUERYING AND SUBSCRIBING TO INFORMATION BY A SIP TERMINAL IN A VoIP NETWORK SYSTEM, SIP TERMINAL, SIP APPLICATION SERVER, SIP INFORMATION CENTER AND VoIP NETWORK SYSTEMQIAN XIANGYUN·Filed 2007·Application pending·0 cites
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